You can discard those forms.
Given the dates this is a speculative roll of the dice by the firm in question - they're probably aiming for a default judgement.
Just reply to the LoC with something along the lines of what you have told us, namely;
To whom it may concern,
I totally refute the claim that any money is owed.
I have never owned a car with that VRM.
I was nowhere near the suggested location on the date stated.
I am sorry that I cannot help you further with this matter.
Best wishes,
xxxxxx xxxxxxx
